I-Sleep Blue Cool Gel Mattress comes with the latest memory foam technology which helps maintain the body's ideal sleep temperature. This medium feel mattress incorporates a pocket sprung interior preventing roll together and a luxurious plush knitted fabric sleep surface. This is a rolled mattress for convenience and easy handling. Allow 48 hours for the mattress to expand to its full depth. Part of the Kovo collection. This mattress features a cool gel layer that helps maintain the body's ideal sleep temperature. Medium feel. Pocket sprung with memory foam layer mattress891 springs. Knit cover withmicro quilt finish. No roll together. Mattress size W150, L198, D20cm. No-turn mattress. Rotate mattress regularly. Made in the UK.